/drivers/net/ethernet/intel/ice/ice_tc_lib.h
C Header | 165 lines | 113 code | 22 blank | 30 comment | 0 complexity | b832c486db1555b518ca96325e4caf67 MD5 | raw file
- /* SPDX-License-Identifier: GPL-2.0 */
- /* Copyright (C) 2019-2021, Intel Corporation. */
- #ifndef _ICE_TC_LIB_H_
- #define _ICE_TC_LIB_H_
- #define ICE_TC_FLWR_FIELD_DST_MAC BIT(0)
- #define ICE_TC_FLWR_FIELD_SRC_MAC BIT(1)
- #define ICE_TC_FLWR_FIELD_VLAN BIT(2)
- #define ICE_TC_FLWR_FIELD_DEST_IPV4 BIT(3)
- #define ICE_TC_FLWR_FIELD_SRC_IPV4 BIT(4)
- #define ICE_TC_FLWR_FIELD_DEST_IPV6 BIT(5)
- #define ICE_TC_FLWR_FIELD_SRC_IPV6 BIT(6)
- #define ICE_TC_FLWR_FIELD_DEST_L4_PORT BIT(7)
- #define ICE_TC_FLWR_FIELD_SRC_L4_PORT BIT(8)
- #define ICE_TC_FLWR_FIELD_TENANT_ID BIT(9)
- #define ICE_TC_FLWR_FIELD_ENC_DEST_IPV4 BIT(10)
- #define ICE_TC_FLWR_FIELD_ENC_SRC_IPV4 BIT(11)
- #define ICE_TC_FLWR_FIELD_ENC_DEST_IPV6 BIT(12)
- #define ICE_TC_FLWR_FIELD_ENC_SRC_IPV6 BIT(13)
- #define ICE_TC_FLWR_FIELD_ENC_DEST_L4_PORT BIT(14)
- #define ICE_TC_FLWR_FIELD_ENC_SRC_L4_PORT BIT(15)
- #define ICE_TC_FLWR_FIELD_ENC_DST_MAC BIT(16)
- #define ICE_TC_FLWR_FIELD_ETH_TYPE_ID BIT(17)
- #define ICE_TC_FLWR_FIELD_ENC_OPTS BIT(18)
- #define ICE_TC_FLOWER_MASK_32 0xFFFFFFFF
- struct ice_indr_block_priv {
- struct net_device *netdev;
- struct ice_netdev_priv *np;
- struct list_head list;
- };
- struct ice_tc_flower_action {
- u32 tc_class;
- enum ice_sw_fwd_act_type fltr_act;
- };
- struct ice_tc_vlan_hdr {
- __be16 vlan_id; /* Only last 12 bits valid */
- u16 vlan_prio; /* Only last 3 bits valid (valid values: 0..7) */
- };
- struct ice_tc_l2_hdr {
- u8 dst_mac[ETH_ALEN];
- u8 src_mac[ETH_ALEN];
- __be16 n_proto; /* Ethernet Protocol */
- };
- struct ice_tc_l3_hdr {
- u8 ip_proto; /* IPPROTO value */
- union {
- struct {
- struct in_addr dst_ip;
- struct in_addr src_ip;
- } v4;
- struct {
- struct in6_addr dst_ip6;
- struct in6_addr src_ip6;
- } v6;
- } ip;
- #define dst_ipv6 ip.v6.dst_ip6.s6_addr32
- #define dst_ipv6_addr ip.v6.dst_ip6.s6_addr
- #define src_ipv6 ip.v6.src_ip6.s6_addr32
- #define src_ipv6_addr ip.v6.src_ip6.s6_addr
- #define dst_ipv4 ip.v4.dst_ip.s_addr
- #define src_ipv4 ip.v4.src_ip.s_addr
- u8 tos;
- u8 ttl;
- };
- struct ice_tc_l4_hdr {
- __be16 dst_port;
- __be16 src_port;
- };
- struct ice_tc_flower_lyr_2_4_hdrs {
- /* L2 layer fields with their mask */
- struct ice_tc_l2_hdr l2_key;
- struct ice_tc_l2_hdr l2_mask;
- struct ice_tc_vlan_hdr vlan_hdr;
- /* L3 (IPv4[6]) layer fields with their mask */
- struct ice_tc_l3_hdr l3_key;
- struct ice_tc_l3_hdr l3_mask;
- /* L4 layer fields with their mask */
- struct ice_tc_l4_hdr l4_key;
- struct ice_tc_l4_hdr l4_mask;
- };
- enum ice_eswitch_fltr_direction {
- ICE_ESWITCH_FLTR_INGRESS,
- ICE_ESWITCH_FLTR_EGRESS,
- };
- struct ice_tc_flower_fltr {
- struct hlist_node tc_flower_node;
- /* cookie becomes filter_rule_id if rule is added successfully */
- unsigned long cookie;
- /* add_adv_rule returns information like recipe ID, rule_id. Store
- * those values since they are needed to remove advanced rule
- */
- u16 rid;
- u16 rule_id;
- /* this could be queue/vsi_idx (sw handle)/queue_group, depending upon
- * destination type
- */
- u16 dest_id;
- /* if dest_id is vsi_idx, then need to store destination VSI ptr */
- struct ice_vsi *dest_vsi;
- /* direction of fltr for eswitch use case */
- enum ice_eswitch_fltr_direction direction;
- /* Parsed TC flower configuration params */
- struct ice_tc_flower_lyr_2_4_hdrs outer_headers;
- struct ice_tc_flower_lyr_2_4_hdrs inner_headers;
- struct ice_vsi *src_vsi;
- __be32 tenant_id;
- struct gtp_pdu_session_info gtp_pdu_info_keys;
- struct gtp_pdu_session_info gtp_pdu_info_masks;
- u32 flags;
- u8 tunnel_type;
- struct ice_tc_flower_action action;
- /* cache ptr which is used wherever needed to communicate netlink
- * messages
- */
- struct netlink_ext_ack *extack;
- };
- /**
- * ice_is_chnl_fltr - is this a valid channel filter
- * @f: Pointer to tc-flower filter
- *
- * Criteria to determine of given filter is valid channel filter
- * or not is based on its "destination". If destination is hw_tc (aka tc_class)
- * and it is non-zero, then it is valid channel (aka ADQ) filter
- */
- static inline bool ice_is_chnl_fltr(struct ice_tc_flower_fltr *f)
- {
- return !!f->action.tc_class;
- }
- /**
- * ice_chnl_dmac_fltr_cnt - DMAC based CHNL filter count
- * @pf: Pointer to PF
- */
- static inline int ice_chnl_dmac_fltr_cnt(struct ice_pf *pf)
- {
- return pf->num_dmac_chnl_fltrs;
- }
- int
- ice_add_cls_flower(struct net_device *netdev, struct ice_vsi *vsi,
- struct flow_cls_offload *cls_flower);
- int
- ice_del_cls_flower(struct ice_vsi *vsi, struct flow_cls_offload *cls_flower);
- void ice_replay_tc_fltrs(struct ice_pf *pf);
- bool ice_is_tunnel_supported(struct net_device *dev);
- #endif /* _ICE_TC_LIB_H_ */